10pcs Ultima A7 Needles Electric Derma Pen Needle Cartridges 9 pin Needle Tips For dr.pen auto microneedle Therapy A79Ns

It is an eletronic automated micro needle,with guides that adjusts needles length.
It is hygienic,convenient,and safe.
Advantage:
【Less Painful】The diameter of dr pen cartridge is 0.18mm.
【Safe and Clean】Accordance with ISO/CE standards, Our needle cartridge are sterilized with gamma radiation and sealed in a hermetic pouch and are guaranteed to be 100% contaminant-free upon delivery.Each cartridge is sterilized and individually packed for Dr. Pen A7
【Original Cartridges】For lawful rights and interests of extensive consumer of guarantee,our company ensures that what be sold a product is genuine quality products without exception.